PREF3450TQDBVR 与REF3450TQDBVR有什么区别,为什么1引脚要接地才正常输出?
按规格书,带T后缀的型号,1引脚应该是不接或浮空,都正常吧,实际板中接了一个0.1UF电容,输出4.3V,当短接1引脚接的这个电容时,才能输出5V。


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PREF3450TQDBVR 与REF3450TQDBVR有什么区别,为什么1引脚要接地才正常输出?
按规格书,带T后缀的型号,1引脚应该是不接或浮空,都正常吧,实际板中接了一个0.1UF电容,输出4.3V,当短接1引脚接的这个电容时,才能输出5V。

